Merge pull request #84 from fossas/feat/add-build-interactive

feat(build): add interactive feedback to `fossa build`

cmd/fossa/build.go

@@ -3,7 +3,9 @@ package main
 import (
 	"fmt"
 	"os"
+	"time"
 
+	"github.com/briandowns/spinner"
 	"github.com/urfave/cli"
 
 	"github.com/fossas/fossa-cli/config"
@@ -21,30 +23,42 @@ func buildCmd(c *cli.Context) {
 		buildLogger.Fatal("No modules specified.")
 	}
 
-	for _, moduleConfig := range conf.Modules {
+	s := spinner.New(spinner.CharSets[11], 100*time.Millisecond)
+	s.Writer = os.Stderr
+	s.Suffix = " Initializing..."
+	s.Start()
+
+	for i, moduleConfig := range conf.Modules {
+		s.Suffix = fmt.Sprintf(" Running module build (%d/%d): %s", i+1, len(conf.Modules), moduleConfig.Name)
+		s.Restart()
 		builder, module, err := resolveModuleConfig(moduleConfig)
 		if err != nil {
+			s.Stop()
 			buildLogger.Fatalf("Failed to resolve modules: %s", err.Error())
 		}
 
 		err = builder.Initialize()
 		if err != nil {
+			s.Stop()
 			buildLogger.Fatalf("Failed to initialize build: %s", err.Error())
 		}
 
 		isBuilt, err := builder.IsBuilt(module, conf.AnalyzeCmd.AllowUnresolved)
 		if err != nil {
+			s.Stop()
 			buildLogger.Fatalf("Could not determine whether module %s is built: %s", module.Name, err.Error())
 		}
 		if isBuilt && !conf.BuildCmd.Force {
+			s.Stop()
 			buildLogger.Fatalf("Module %s appears to already be built. Refusing to continue. Use `--force` to force a rebuild.", module.Name)
 		}
 
 		err = builder.Build(module, conf.BuildCmd.Force)
 		if err != nil {
+			s.Stop()
 			buildLogger.Fatalf("Build failed on module %s: %s", module.Name, err.Error())
 		}
 	}
-
+	s.Stop()
 	fmt.Fprintln(os.Stderr, "Build succeeded, ready to analyze!")
 }